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Magnetocardiography as a Tool for Patients Presenting With Chest Pain - Pilot Study

Chest Pain Clinical Trial

Official title:
Two Cohort, Pilot Study, to Identify Magnetocardiogram Characteristics That Can be Used to Classify Non Ischemic Chest Pain Patients and Myocardial Infarction Patients.

Clinical Trial Summary

The purpose of this pilot research study is to identify the characteristics of magnetocardiograms that correlate with a non ischemic chest pain status and a myocardial infarction patient status. The study uses a non SQUID magnetocardiogram device.

Clinical Trial Description

Magnetocardiography (MCG) is a passive, non-contact technique to measure the electromagnetic activity of the heart.

Heart muscle is controlled by electrical impulses that initiate contraction of the myocardium to pump blood around the body. A wave of depolarisation and repolarisation helps to coordinate the heart's activity which is usually measured using an electrocardiogram (ECG) which reflects the surface electrical manifestation of myocardial depolarisation and repolarisation

For every electrical signal there is a corresponding magnetic field, as defined by Faraday's law of induction, and it is this magnetic field that MCG measures.

There are two key advantages of looking at the magnetic field rather than the electrical signal. (1) The signal is not attenuated as it passes through the body, so information is not lost and (2) changes in the action potential (for example those caused by ischemia) are 'magnified' in the magnetic field so are easier to detect by sensors that are not in direct contact with the body.

SQUID MCG has been used widely in cardiology research, and previous clinical studies have shown that the technology has potential for the analysis of patients with coronary artery disease.

The aim of this pilot study is to identify characteristics of MCG that differentiate patients with non-ischaemic chest pain from those with a myocardial infarction. ;

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02359773
Study type Observational
Source Quantum Imaging Limited
Contact
Status Completed
Phase N/A
Start date February 2015
Completion date August 2015
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